T. Kalaiselvan, Advocate (Advocate) 28 August 2023
you can file a police complaint in the local police station where you received the threat call, the said person can be booked for 504 and 506 of Indian penal code, preserve the recording and the mobile, so just go and file the complaint,
Dr. J C Vashista (Advocate ) 28 August 2023
Report the matter to local police for registration of FIR